Ulos is a daily Clothing for Batak People, before they know other textile from outside Batak Land. Hande-hande called for male upper used, for the bottom is Singkot and for covering the head called tali-tali or detar. For female, from the bottom to the chest called haen, covering back called hoba-hoba, when used as a scarf called ampe-ampe, and covering the head for female called saong. The back cover for woman holding a child called hohop-hohop and the carrier called Parompa. We can see this tradition in inland of Tapanuli (North Sumatra) untill nowadays. But not every Ulos can use for daily cloth. Ulos Jogia, Ragi Hidup, Ragi Hotang, and Ronjat. Usually stored and used only for certain ceremonial.

Human body is designed to heal our self (self healing organism). Your body will heal yourself IF it's giving a right condition. A tree that have no fruit because of bad condition IF we give the right condition one or second year later the tree will give us beautiful fruit.

The human body is not much different to plant. Louis Pasteur 1822-1895 known as germs theory of disease, he said that Germs cause disease, whenever he make an experiment he always call the media, friend, government. People likes him because he said that we don't have to stop drinking alcohol, party every night, don't have to exercise, because the germs that make us sick. Kill the germ u will be cure.